diff --git a/langchain/src/document_loaders/fs/pdf.ts b/langchain/src/document_loaders/fs/pdf.ts
index 5da99637b04e..8f833e56eb58 100644
--- a/langchain/src/document_loaders/fs/pdf.ts
+++ b/langchain/src/document_loaders/fs/pdf.ts
@@ -24,7 +24,7 @@ export class PDFLoader extends BufferLoader {
     {
       splitPages = true,
       pdfjs = PDFLoaderImports,
-      parsedItemSeparator = " ",
+      parsedItemSeparator = "",
     } = {}
   ) {
     super(filePathOrBlob);
diff --git a/langchain/src/document_loaders/web/pdf.ts b/langchain/src/document_loaders/web/pdf.ts
index 1ef730d463c9..fdbf33b6cf2f 100644
--- a/langchain/src/document_loaders/web/pdf.ts
+++ b/langchain/src/document_loaders/web/pdf.ts
@@ -25,7 +25,7 @@ export class WebPDFLoader extends BaseDocumentLoader {
     {
       splitPages = true,
       pdfjs = PDFLoaderImports,
-      parsedItemSeparator = " ",
+      parsedItemSeparator = "",
     } = {}
   ) {
     super();